Manual apparatus for the dispensing of pasty and liquid materials in the nature of caulking, adhesive, and sealing compounds, and the like, namely, manual dispensing guns; manual mixers for mixing and dispensing casting materials, impression materials, caulking materials, adhesives, sealing compounds, materials for chemical anchoring and reinforcements, and the like; parts for the foregoing, namely, replacement parts in the nature of containers, mixers, closure caps and fastening rings, and a...